Beryllium Copper Diaphragm Strip from Canada
High-formability beryllium copper strip for pressure diaphragms in instrumentation and aerospace sensors. Classified in HTS 7409.90.90.30 as beryllium copper alloy with thickness >0.15 mm to <5 mm and width <500 mm. Excels in fatigue strength for cyclic loading.
Duty Rate — Canada → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Submit material safety data for beryllium handling; OSHA/EPA declarations often required
• Confirm flatness specs in documentation; warped strip risks rejection at thickness gauge
• Use ISPM-15 compliant packaging for coils to avoid fumigation delays